Description
Actual size is 20 x 25.63 x .75. Accumulair brand 21x26x1 American Standard TFE260A9AH20 replacement whole house air filters, specifically designed to replace the OEM American Standard TFE260A9AH20 filters. Fully built - no forming or combs required. MERV rated to ASHRAE specs ensuring function equal to the original manufacturer American Standard TFE260A9AH20 filters. Note: The sample filter pic displayed is not the actual dimensions and is shown for configuration only. Brand names and American Standard TFE260A9AH20 part numbers are shown for filter substitution identification only.